AK4958ECB Datasheet, PDF (22/35 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/VIDEO-AMP & LDO

[AK4958]
Parameter
Symbol
PLL Slave Mode (PLL Reference Clock = BICK pin)
LRCK Input Timing
Frequency
PLL3-0 bits = “0010”
PLL3-0 bits = “0011”
fs
fs
Duty
Duty
BICK Input Timing
Frequency PLL3-0 bits = “0010”
PLL3-0 bits = “0011”
fBCK
fBCK
Pulse Width Low
Pulse Width High
tBCKL
tBCKH
External Slave Mode
MCKI Input Timing
Frequency FS1-0 bits = “00”
FS1-0 bits = “01”
FS1-0 bits = “10” or “11”
fCLK
fCLK
fCLK
Pulse Width Low
Pulse Width High
tCLKL
tCLKH
LRCK Input Timing
Frequency FS1-0 bits = “00”
fs
FS1-0 bits = “01”
fs
FS1-0 bits = “10”
fs
FS1-0 bits = “11”
fs
Duty
Duty
BICK Input Timing
Frequency
fBCK
Pulse Width Low
Pulse Width High
tBCKL
tBCKH
External Master Mode
MCKI Input Timing
Frequency 256fs (FS1-0 bits = “00”)
512fs (FS1-0 bits = “10”)
512fs (FS1-0 bits = “11”)
1024fs (FS1-0 bits = “01”)
fCLK
fCLK
fCLK
fCLK
Pulse Width Low
Pulse Width High
tCLKL
tCLKH
LRCK Output Timing
Frequency FS1-0 bits = “00”
fs
FS1-0 bits = “01”
fs
FS1-0 bits = “10” or “11”
fs
Duty Cycle
Duty
BICK Output Timing
Frequency BCKO bit = “0”
BCKO bit = “1”
fBCK
fBCK
Duty Cycle
dBCK
min
-
-
45
0.2352
0.4704
0.4/fBCK
0.4/fBCK
-
-
-
0.4/fCLK
0.4/fCLK
7.35
7.35
7.35
7.35
45
32fs
130
130
1.8816
3.7632
3.7632
7.5264
0.4/fCLK
0.4/fCLK
-
-
-
-
-
-
-
typ
fBCK/32
fBCK/64
-
-
-
-
-
256fs
1024fs
512fs
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
fCLK/256
fCLK/1024
fCLK/512
50
32fs
64fs
50
max
-
-
55
1.536
3.072
-
-
-
-
-
-
-
48
13
24
48
55
64fs
-
-
12.288
13.312
24.576
13.312
-
-
-
-
-
-
-
-
-
Unit
Hz
Hz
%
MHz
MHz
s
s
Hz
Hz
Hz
s
s
kHz
kHz
kHz
kHz
%
Hz
ns
ns
MHz
MHz
MHz
MHz
s
s
kHz
kHz
kHz
%
Hz
Hz
%
MS1558-J-01-PB
- 22 -
2013/10